Service manual

Revised 11/2006
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S-311+I
1-1 I
A - INTRODUCTION
1. GENERAL INFORMATION
The electronic eylet buttonhole machine with Indexer enables automatic sewing of buttonholes which
can be specified in number and distance between them. Typ stehu, odkaz na modely
Models of S-311 Indexer machine:
a) AF ST JT
This model is designed to be used for sewing single thread chain stitch buttonholes on ready-tailored
jacket sleeves. The device enables sewing of various buttonhole types (see S311 section A, chapter 4
Specifications) with or without cut during one sewing cycle. There is a thread nipper attached to the
device, which facilitates better quality of finished buttonholes.
Buttonholes commonly used on jackets sleeves:
- buttonhole with an eye
- with cut or without cut
- crossbar or round end
b) CT 16-20mm DT JT
This model is designed to be used for sewing double thread chain stitch buttonholes on ready-tailored
jacket sleeves. The device enables sewing of various buttonhole types (see S311 section A, chapter 4
Specifications) with or without cut during one sewing cycle. There is a thread nipper attached to the
device, which facilitates better quality of finished buttonholes.
Contrary to the version S311 AF ST JT the length of a buttonhole is limited for sewing within the range
of 16-20 mm
Buttonholes commonly used on jackets sleeves:
- buttonhole with an eye
- with cut or without cut
- crossbar or round end
c) CT 16-20mm DT JS
This model is designed for sewing double thread chain stitch buttonholes with gimp on trousers or jeans
front sections. The device enables sewing of various buttonhole types (see S311 section A, chapter 4
Specifications) with or without cut during one sewing cycle. Contrary to the version S311 AF ST JT the
length of a buttonhole is limited for sewing within the range of 16-20 mm
Buttonholes commonly used on trousers front sections:
- buttonhole with an eye
- with cut
- flybar buttonhole
AF
Adjustable flybar
CT
Cord trim - trimming all threads - short tail of bottom thread
ST JT
Single thread chain stitch - used on jackets
DT JT
Double thread chain stitch - used on jackets
DT JS
Double thread chain stitch - used on jeans (trousers)
ABBREVIATIONS USED IN THE MANUAL